octopus-themed restaurant, underwater design, tentacle-shaped chairs, blue and green lighting, aquatic murals, glass walls, ocean view, seafood menu, coral reef aquarium, waitstaff in sailor uniforms, nautical decor, bubble columns, 3D ocean floor tiles, ambient marine sounds, soft diffuse lighting, wide-angle lens, vibrant colors, detailed textures, glossy surfaces, panoramic window, exotic fish swimming, immersive dining experience.